1145373073 has 16 divisors (see below), whose sum is σ = 1269777600. Its totient is φ = 1026288576.

The previous prime is 1145373071. The next prime is 1145373083. The reversal of 1145373073 is 3703735411.

It is a cyclic number.

It is not a de Polignac number, because 1145373073 - 2¹ = 1145373071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145373071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222078 + ... + 227176.

It is an arithmetic number, because the mean of its divisors is an integer number (79361100).

Almost surely, 2^1145373073 is an apocalyptic number.

1145373073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1145373073 is a deficient number, since it is larger than the sum of its proper divisors (124404527).

1145373073 is a wasteful number, since it uses less digits than its factorization.

1145373073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 1145373073 is about 33843.3608407912. The cubic root of 1145373073 is about 1046.2825679742.

The spelling of 1145373073 in words is "one billion, one hundred forty-five million, three hundred seventy-three thousand, seventy-three".